Question

watch would be added to -7/8 to get 5/9 ?​

Answer 1

I hope that it helps you
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Answer 2

Answer:

103/72

Step-by-step explanation:

-7/8+x/y=5/9

x/y=5/9+7/8

x/y=40+63

_____

72

x/y= 103/72

Verification:

-7/8+103/72

-63+103

______

72

40/72

5/9.